Dental appliance



FIG. 1 is a top perspective view of a dental appliance, showing my newdesign in an aligned position;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a bottom plan view of FIG. 1;

FIG. 4 is a left-side elevational view of FIG. 1, the right-sideelevational view being a mirror image thereof;

FIG. 5 is a front elevational view of FIG. 1;

FIG. 6 is a rear elevational view of FIG. 1;

FIG. 7 is a bottom perspective view of FIG. 1;

FIG. 8 is a left-side elevational view thereof, illustrated in anon-aligned position;

FIG. 9 is a top perspective view of FIG. 8; and,

FIG. 10 is a top plan view of FIG. 8.

The broken lines in the drawings illustrate environmental matter thatforms no part of the claimed design.

CLAIM I claim the ornamental design for a dental appliance, as shown anddescribed.